Annual report pursuant to Section 13 and 15(d)

Schedule of Stock Option Awards and Restricted Stock Awards (Details)

v3.22.4
Schedule of Stock Option Awards and Restricted Stock Awards (Details)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Share-Based Payment Arrangement [Abstract]    
Volatility, minimum 92.10% 98.40%
Volatility, maximum 98.70% 101.60%
Risk-free interest rate, minimum 1.57% 0.47%
Risk-free interest rate, maximum 4.32% 1.28%
Dividend yield 0.00% 0.00%
Expected life 6 years 6 years